diff --git a/.changeset/many-ants-rescue.md b/.changeset/many-ants-rescue.md
new file mode 100644
index 000000000..b1db925b1
--- /dev/null
+++ b/.changeset/many-ants-rescue.md
@@ -0,0 +1,5 @@
+---
+"@callstack/repack": patch
+---
+
+Make `platform` option of DevelopmentPlugin optional
diff --git a/packages/repack/src/plugins/DevelopmentPlugin.ts b/packages/repack/src/plugins/DevelopmentPlugin.ts
index bd8555d01..290f608b0 100644
--- a/packages/repack/src/plugins/DevelopmentPlugin.ts
+++ b/packages/repack/src/plugins/DevelopmentPlugin.ts
@@ -19,7 +19,10 @@ type PackageJSON = { version: string };
  * {@link DevelopmentPlugin} configuration options.
  */
 export interface DevelopmentPluginConfig {
-  platform: string;
+  /**
+   * Target application platform.
+   */
+  platform?: string;
 }
 
 /**
@@ -103,7 +106,7 @@ export class DevelopmentPlugin implements RspackPluginInstance {
     const host = compiler.options.devServer.host;
     const port = compiler.options.devServer.port;
     const protocol = this.getProtocolType(compiler.options.devServer);
-    const platform = this.config.platform;
+    const platform = this.config.platform ?? (compiler.options.name as string);
 
     new compiler.webpack.DefinePlugin({
       __PLATFORM__: JSON.stringify(platform),